1 // SPDX-License-Identifier: GPL-2.0-only
2 /*
3 * linux/arch/arm/mach-pxa/cm-x300.c
4 *
5 * Support for the CompuLab CM-X300 modules
6 *
7 * Copyright (C) 2008,2009 CompuLab Ltd.
8 *
9 * Mike Rapoport <mike@compulab.co.il>
10 * Igor Grinberg <grinberg@compulab.co.il>
11 */
12 #define pr_fmt(fmt) "%s: " fmt, __func__
13
14 #include <linux/module.h>
15 #include <linux/kernel.h>
16 #include <linux/interrupt.h>
17 #include <linux/init.h>
18 #include <linux/delay.h>
19 #include <linux/platform_device.h>
20 #include <linux/clk.h>
21
22 #include <linux/gpio.h>
23 #include <linux/gpio/machine.h>
24 #include <linux/dm9000.h>
25 #include <linux/leds.h>
26 #include <linux/platform_data/rtc-v3020.h>
27 #include <linux/pwm.h>
28 #include <linux/pwm_backlight.h>
29
30 #include <linux/i2c.h>
31 #include <linux/platform_data/pca953x.h>
32 #include <linux/platform_data/i2c-pxa.h>
33
34 #include <linux/mfd/da903x.h>
35 #include <linux/regulator/machine.h>
36 #include <linux/power_supply.h>
37 #include <linux/apm-emulation.h>
38
39 #include <linux/spi/spi.h>
40 #include <linux/spi/spi_gpio.h>
41 #include <linux/spi/tdo24m.h>
42
43 #include <linux/soc/pxa/cpu.h>
44
45 #include <asm/mach-types.h>
46 #include <asm/mach/arch.h>
47 #include <asm/setup.h>
48 #include <asm/system_info.h>
49
50 #include "pxa300.h"
51 #include "pxa27x-udc.h"
52 #include <linux/platform_data/video-pxafb.h>
53 #include <linux/platform_data/mmc-pxamci.h>
54 #include <linux/platform_data/usb-ohci-pxa27x.h>
55 #include <linux/platform_data/mtd-nand-pxa3xx.h>
56 #include <linux/platform_data/asoc-pxa.h>
57 #include <linux/platform_data/usb-pxa3xx-ulpi.h>
58
59 #include <asm/mach/map.h>
60
61 #include "generic.h"
62 #include "devices.h"
63
64 #define CM_X300_ETH_PHYS 0x08000010
65
66 #define GPIO82_MMC_IRQ (82)
67 #define GPIO85_MMC_WP (85)
68
69 #define CM_X300_MMC_IRQ PXA_GPIO_TO_IRQ(GPIO82_MMC_IRQ)
70
71 #define GPIO95_RTC_CS (95)
72 #define GPIO96_RTC_WR (96)
73 #define GPIO97_RTC_RD (97)
74 #define GPIO98_RTC_IO (98)
75
76 #define GPIO_ULPI_PHY_RST (127)
77
78 static mfp_cfg_t cm_x3xx_mfp_cfg[] __initdata = {
79 /* LCD */
80 GPIO54_LCD_LDD_0,
81 GPIO55_LCD_LDD_1,
82 GPIO56_LCD_LDD_2,
83 GPIO57_LCD_LDD_3,
84 GPIO58_LCD_LDD_4,
85 GPIO59_LCD_LDD_5,
86 GPIO60_LCD_LDD_6,
87 GPIO61_LCD_LDD_7,
88 GPIO62_LCD_LDD_8,
89 GPIO63_LCD_LDD_9,
90 GPIO64_LCD_LDD_10,
91 GPIO65_LCD_LDD_11,
92 GPIO66_LCD_LDD_12,
93 GPIO67_LCD_LDD_13,
94 GPIO68_LCD_LDD_14,
95 GPIO69_LCD_LDD_15,
96 GPIO72_LCD_FCLK,
97 GPIO73_LCD_LCLK,
98 GPIO74_LCD_PCLK,
99 GPIO75_LCD_BIAS,
100
101 /* BTUART */
102 GPIO111_UART2_RTS,
103 GPIO112_UART2_RXD | MFP_LPM_EDGE_FALL,
104 GPIO113_UART2_TXD,
105 GPIO114_UART2_CTS | MFP_LPM_EDGE_BOTH,
106
107 /* STUART */
108 GPIO109_UART3_TXD,
109 GPIO110_UART3_RXD | MFP_LPM_EDGE_FALL,
110
111 /* AC97 */
112 GPIO23_AC97_nACRESET,
113 GPIO24_AC97_SYSCLK,
114 GPIO29_AC97_BITCLK,
115 GPIO25_AC97_SDATA_IN_0,
116 GPIO27_AC97_SDATA_OUT,
117 GPIO28_AC97_SYNC,
118
119 /* Keypad */
120 GPIO115_KP_MKIN_0 | MFP_LPM_EDGE_BOTH,
121 GPIO116_KP_MKIN_1 | MFP_LPM_EDGE_BOTH,
122 GPIO117_KP_MKIN_2 | MFP_LPM_EDGE_BOTH,
123 GPIO118_KP_MKIN_3 | MFP_LPM_EDGE_BOTH,
124 GPIO119_KP_MKIN_4 | MFP_LPM_EDGE_BOTH,
125 GPIO120_KP_MKIN_5 | MFP_LPM_EDGE_BOTH,
126 GPIO2_2_KP_MKIN_6 | MFP_LPM_EDGE_BOTH,
127 GPIO3_2_KP_MKIN_7 | MFP_LPM_EDGE_BOTH,
128 GPIO121_KP_MKOUT_0,
129 GPIO122_KP_MKOUT_1,
130 GPIO123_KP_MKOUT_2,
131 GPIO124_KP_MKOUT_3,
132 GPIO125_KP_MKOUT_4,
133 GPIO4_2_KP_MKOUT_5,
134
135 /* MMC1 */
136 GPIO3_MMC1_DAT0,
137 GPIO4_MMC1_DAT1 | MFP_LPM_EDGE_BOTH,
138 GPIO5_MMC1_DAT2,
139 GPIO6_MMC1_DAT3,
140 GPIO7_MMC1_CLK,
141 GPIO8_MMC1_CMD, /* CMD0 for slot 0 */
142
143 /* MMC2 */
144 GPIO9_MMC2_DAT0,
145 GPIO10_MMC2_DAT1 | MFP_LPM_EDGE_BOTH,
146 GPIO11_MMC2_DAT2,
147 GPIO12_MMC2_DAT3,
148 GPIO13_MMC2_CLK,
149 GPIO14_MMC2_CMD,
150
151 /* FFUART */
152 GPIO30_UART1_RXD | MFP_LPM_EDGE_FALL,
153 GPIO31_UART1_TXD,
154 GPIO32_UART1_CTS,
155 GPIO37_UART1_RTS,
156 GPIO33_UART1_DCD,
157 GPIO34_UART1_DSR | MFP_LPM_EDGE_FALL,
158 GPIO35_UART1_RI,
159 GPIO36_UART1_DTR,
160
161 /* GPIOs */
162 GPIO82_GPIO | MFP_PULL_HIGH, /* MMC CD */
163 GPIO85_GPIO, /* MMC WP */
164 GPIO99_GPIO, /* Ethernet IRQ */
165
166 /* RTC GPIOs */
167 GPIO95_GPIO | MFP_LPM_DRIVE_HIGH, /* RTC CS */
168 GPIO96_GPIO | MFP_LPM_DRIVE_HIGH, /* RTC WR */
169 GPIO97_GPIO | MFP_LPM_DRIVE_HIGH, /* RTC RD */
170 GPIO98_GPIO, /* RTC IO */
171
172 /* Standard I2C */
173 GPIO21_I2C_SCL,
174 GPIO22_I2C_SDA,
175
176 /* PWM Backlight */
177 GPIO19_PWM2_OUT,
178 };
179
180 static mfp_cfg_t cm_x3xx_rev_lt130_mfp_cfg[] __initdata = {
181 /* GPIOs */
182 GPIO79_GPIO, /* LED */
183 GPIO77_GPIO, /* WiFi reset */
184 GPIO78_GPIO, /* BT reset */
185 };
186
187 static mfp_cfg_t cm_x3xx_rev_ge130_mfp_cfg[] __initdata = {
188 /* GPIOs */
189 GPIO76_GPIO, /* LED */
190 GPIO71_GPIO, /* WiFi reset */
191 GPIO70_GPIO, /* BT reset */
192 };
193
194 static mfp_cfg_t cm_x310_mfp_cfg[] __initdata = {
195 /* USB PORT 2 */
196 ULPI_STP,
197 ULPI_NXT,
198 ULPI_DIR,
199 GPIO30_ULPI_DATA_OUT_0,
200 GPIO31_ULPI_DATA_OUT_1,
201 GPIO32_ULPI_DATA_OUT_2,
202 GPIO33_ULPI_DATA_OUT_3,
203 GPIO34_ULPI_DATA_OUT_4,
204 GPIO35_ULPI_DATA_OUT_5,
205 GPIO36_ULPI_DATA_OUT_6,
206 GPIO37_ULPI_DATA_OUT_7,
207 GPIO38_ULPI_CLK,
208 /* external PHY reset pin */
209 GPIO127_GPIO,
210
211 /* USB PORT 3 */
212 GPIO77_USB_P3_1,
213 GPIO78_USB_P3_2,
214 GPIO79_USB_P3_3,
215 GPIO80_USB_P3_4,
216 GPIO81_USB_P3_5,
217 GPIO82_USB_P3_6,
218 GPIO0_2_USBH_PEN,
219 };
220
221 #if defined(CONFIG_DM9000) || defined(CONFIG_DM9000_MODULE)
222 static struct resource dm9000_resources[] = {
223 [0] = {
224 .start = CM_X300_ETH_PHYS,
225 .end = CM_X300_ETH_PHYS + 0x3,
226 .flags = IORESOURCE_MEM,
227 },
228 [1] = {
229 .start = CM_X300_ETH_PHYS + 0x4,
230 .end = CM_X300_ETH_PHYS + 0x4 + 500,
231 .flags = IORESOURCE_MEM,
232 },
233 [2] = {
234 .start = PXA_GPIO_TO_IRQ(mfp_to_gpio(MFP_PIN_GPIO99)),
235 .end = PXA_GPIO_TO_IRQ(mfp_to_gpio(MFP_PIN_GPIO99)),
236 .flags = IORESOURCE_IRQ | IORESOURCE_IRQ_HIGHEDGE,
237 }
238 };
239
240 static struct dm9000_plat_data cm_x300_dm9000_platdata = {
241 .flags = DM9000_PLATF_16BITONLY | DM9000_PLATF_NO_EEPROM,
242 };
243
244 static struct platform_device dm9000_device = {
245 .name = "dm9000",
246 .id = 0,
247 .num_resources = ARRAY_SIZE(dm9000_resources),
248 .resource = dm9000_resources,
249 .dev = {
250 .platform_data = &cm_x300_dm9000_platdata,
251 }
252
253 };
254
cm_x300_init_dm9000(void)255 static void __init cm_x300_init_dm9000(void)
256 {
257 platform_device_register(&dm9000_device);
258 }
259 #else
cm_x300_init_dm9000(void)260 static inline void cm_x300_init_dm9000(void) {}
261 #endif
262
263 /* LCD */
264 #if defined(CONFIG_FB_PXA) || defined(CONFIG_FB_PXA_MODULE)
265 static struct pxafb_mode_info cm_x300_lcd_modes[] = {
266 [0] = {
267 .pixclock = 38250,
268 .bpp = 16,
269 .xres = 480,
270 .yres = 640,
271 .hsync_len = 8,
272 .vsync_len = 2,
273 .left_margin = 8,
274 .upper_margin = 2,
275 .right_margin = 24,
276 .lower_margin = 4,
277 .cmap_greyscale = 0,
278 },
279 [1] = {
280 .pixclock = 153800,
281 .bpp = 16,
282 .xres = 240,
283 .yres = 320,
284 .hsync_len = 8,
285 .vsync_len = 2,
286 .left_margin = 8,
287 .upper_margin = 2,
288 .right_margin = 88,
289 .lower_margin = 2,
290 .cmap_greyscale = 0,
291 },
292 };
293
294 static struct pxafb_mach_info cm_x300_lcd = {
295 .modes = cm_x300_lcd_modes,
296 .num_modes = ARRAY_SIZE(cm_x300_lcd_modes),
297 .lcd_conn = LCD_COLOR_TFT_16BPP | LCD_PCLK_EDGE_FALL,
298 };
299
cm_x300_init_lcd(void)300 static void __init cm_x300_init_lcd(void)
301 {
302 pxa_set_fb_info(NULL, &cm_x300_lcd);
303 }
304 #else
cm_x300_init_lcd(void)305 static inline void cm_x300_init_lcd(void) {}
306 #endif
307
308 #if defined(CONFIG_BACKLIGHT_PWM) || defined(CONFIG_BACKLIGHT_PWM_MODULE)
309 static struct pwm_lookup cm_x300_pwm_lookup[] = {
310 PWM_LOOKUP("pxa27x-pwm.0", 1, "pwm-backlight.0", NULL, 10000,
311 PWM_POLARITY_NORMAL),
312 };
313
314 static struct platform_pwm_backlight_data cm_x300_backlight_data = {
315 .max_brightness = 100,
316 .dft_brightness = 100,
317 };
318
319 static struct platform_device cm_x300_backlight_device = {
320 .name = "pwm-backlight",
321 .dev = {
322 .parent = &pxa27x_device_pwm0.dev,
323 .platform_data = &cm_x300_backlight_data,
324 },
325 };
326
cm_x300_init_bl(void)327 static void cm_x300_init_bl(void)
328 {
329 pwm_add_table(cm_x300_pwm_lookup, ARRAY_SIZE(cm_x300_pwm_lookup));
330 platform_device_register(&cm_x300_backlight_device);
331 }
332 #else
cm_x300_init_bl(void)333 static inline void cm_x300_init_bl(void) {}
334 #endif
335
336 #if defined(CONFIG_SPI_GPIO) || defined(CONFIG_SPI_GPIO_MODULE)
337 #define GPIO_LCD_BASE (144)
338 #define GPIO_LCD_DIN (GPIO_LCD_BASE + 8) /* aux_gpio3_0 */
339 #define GPIO_LCD_DOUT (GPIO_LCD_BASE + 9) /* aux_gpio3_1 */
340 #define GPIO_LCD_SCL (GPIO_LCD_BASE + 10) /* aux_gpio3_2 */
341 #define GPIO_LCD_CS (GPIO_LCD_BASE + 11) /* aux_gpio3_3 */
342 #define LCD_SPI_BUS_NUM (1)
343
344 static struct spi_gpio_platform_data cm_x300_spi_gpio_pdata = {
345 .num_chipselect = 1,
346 };
347
348 static struct platform_device cm_x300_spi_gpio = {
349 .name = "spi_gpio",
350 .id = LCD_SPI_BUS_NUM,
351 .dev = {
352 .platform_data = &cm_x300_spi_gpio_pdata,
353 },
354 };
355
356 static struct gpiod_lookup_table cm_x300_spi_gpiod_table = {
357 .dev_id = "spi_gpio",
358 .table = {
359 GPIO_LOOKUP("pca9555.1", GPIO_LCD_SCL - GPIO_LCD_BASE,
360 "sck", GPIO_ACTIVE_HIGH),
361 GPIO_LOOKUP("pca9555.1", GPIO_LCD_DIN - GPIO_LCD_BASE,
362 "mosi", GPIO_ACTIVE_HIGH),
363 GPIO_LOOKUP("pca9555.1", GPIO_LCD_DOUT - GPIO_LCD_BASE,
364 "miso", GPIO_ACTIVE_HIGH),
365 GPIO_LOOKUP("pca9555.1", GPIO_LCD_CS - GPIO_LCD_BASE,
366 "cs", GPIO_ACTIVE_HIGH),
367 { },
368 },
369 };
370
371 static struct tdo24m_platform_data cm_x300_tdo24m_pdata = {
372 .model = TDO35S,
373 };
374
375 static struct spi_board_info cm_x300_spi_devices[] __initdata = {
376 {
377 .modalias = "tdo24m",
378 .max_speed_hz = 1000000,
379 .bus_num = LCD_SPI_BUS_NUM,
380 .chip_select = 0,
381 .platform_data = &cm_x300_tdo24m_pdata,
382 },
383 };
384
cm_x300_init_spi(void)385 static void __init cm_x300_init_spi(void)
386 {
387 spi_register_board_info(cm_x300_spi_devices,
388 ARRAY_SIZE(cm_x300_spi_devices));
389 gpiod_add_lookup_table(&cm_x300_spi_gpiod_table);
390 platform_device_register(&cm_x300_spi_gpio);
391 }
392 #else
cm_x300_init_spi(void)393 static inline void cm_x300_init_spi(void) {}
394 #endif
395
396 #if defined(CONFIG_SND_PXA2XX_LIB_AC97)
cm_x300_init_ac97(void)397 static void __init cm_x300_init_ac97(void)
398 {
399 pxa_set_ac97_info(NULL);
400 }
401 #else
cm_x300_init_ac97(void)402 static inline void cm_x300_init_ac97(void) {}
403 #endif
404
405 #if IS_ENABLED(CONFIG_MTD_NAND_MARVELL)
406 static struct mtd_partition cm_x300_nand_partitions[] = {
407 [0] = {
408 .name = "OBM",
409 .offset = 0,
410 .size = SZ_256K,
411 .mask_flags = MTD_WRITEABLE, /* force read-only */
412 },
413 [1] = {
414 .name = "U-Boot",
415 .offset = MTDPART_OFS_APPEND,
416 .size = SZ_256K,
417 .mask_flags = MTD_WRITEABLE, /* force read-only */
418 },
419 [2] = {
420 .name = "Environment",
421 .offset = MTDPART_OFS_APPEND,
422 .size = SZ_256K,
423 },
424 [3] = {
425 .name = "reserved",
426 .offset = MTDPART_OFS_APPEND,
427 .size = SZ_256K + SZ_1M,
428 .mask_flags = MTD_WRITEABLE, /* force read-only */
429 },
430 [4] = {
431 .name = "kernel",
432 .offset = MTDPART_OFS_APPEND,
433 .size = SZ_4M,
434 },
435 [5] = {
436 .name = "fs",
437 .offset = MTDPART_OFS_APPEND,
438 .size = MTDPART_SIZ_FULL,
439 },
440 };
441
442 static struct pxa3xx_nand_platform_data cm_x300_nand_info = {
443 .keep_config = 1,
444 .parts = cm_x300_nand_partitions,
445 .nr_parts = ARRAY_SIZE(cm_x300_nand_partitions),
446 };
447
cm_x300_init_nand(void)448 static void __init cm_x300_init_nand(void)
449 {
450 pxa3xx_set_nand_info(&cm_x300_nand_info);
451 }
452 #else
cm_x300_init_nand(void)453 static inline void cm_x300_init_nand(void) {}
454 #endif
455
456 #if defined(CONFIG_MMC) || defined(CONFIG_MMC_MODULE)
457 static struct pxamci_platform_data cm_x300_mci_platform_data = {
458 .detect_delay_ms = 200,
459 .ocr_mask = MMC_VDD_32_33|MMC_VDD_33_34,
460 };
461
462 static struct gpiod_lookup_table cm_x300_mci_gpio_table = {
463 .dev_id = "pxa2xx-mci.0",
464 .table = {
465 /* Card detect on GPIO 82 */
466 GPIO_LOOKUP("gpio-pxa", GPIO82_MMC_IRQ, "cd", GPIO_ACTIVE_LOW),
467 /* Write protect on GPIO 85 */
468 GPIO_LOOKUP("gpio-pxa", GPIO85_MMC_WP, "wp", GPIO_ACTIVE_LOW),
469 { },
470 },
471 };
472
473 /* The second MMC slot of CM-X300 is hardwired to Libertas card and has
474 no detection/ro pins */
cm_x300_mci2_init(struct device * dev,irq_handler_t cm_x300_detect_int,void * data)475 static int cm_x300_mci2_init(struct device *dev,
476 irq_handler_t cm_x300_detect_int,
477 void *data)
478 {
479 return 0;
480 }
481
cm_x300_mci2_exit(struct device * dev,void * data)482 static void cm_x300_mci2_exit(struct device *dev, void *data)
483 {
484 }
485
486 static struct pxamci_platform_data cm_x300_mci2_platform_data = {
487 .detect_delay_ms = 200,
488 .ocr_mask = MMC_VDD_32_33|MMC_VDD_33_34,
489 .init = cm_x300_mci2_init,
490 .exit = cm_x300_mci2_exit,
491 };
492
cm_x300_init_mmc(void)493 static void __init cm_x300_init_mmc(void)
494 {
495 gpiod_add_lookup_table(&cm_x300_mci_gpio_table);
496 pxa_set_mci_info(&cm_x300_mci_platform_data);
497 pxa3xx_set_mci2_info(&cm_x300_mci2_platform_data);
498 }
499 #else
cm_x300_init_mmc(void)500 static inline void cm_x300_init_mmc(void) {}
501 #endif
502
503 #if defined(CONFIG_PXA310_ULPI)
504 static struct clk *pout_clk;
505
cm_x300_ulpi_phy_reset(void)506 static int cm_x300_ulpi_phy_reset(void)
507 {
508 int err;
509
510 /* reset the PHY */
511 err = gpio_request_one(GPIO_ULPI_PHY_RST, GPIOF_OUT_INIT_LOW,
512 "ulpi reset");
513 if (err) {
514 pr_err("failed to request ULPI reset GPIO: %d\n", err);
515 return err;
516 }
517
518 msleep(10);
519 gpio_set_value(GPIO_ULPI_PHY_RST, 1);
520 msleep(10);
521
522 gpio_free(GPIO_ULPI_PHY_RST);
523
524 return 0;
525 }
526
cm_x300_u2d_init(struct device * dev)527 static int cm_x300_u2d_init(struct device *dev)
528 {
529 int err = 0;
530
531 if (cpu_is_pxa310()) {
532 /* CLK_POUT is connected to the ULPI PHY */
533 pout_clk = clk_get(NULL, "CLK_POUT");
534 if (IS_ERR(pout_clk)) {
535 err = PTR_ERR(pout_clk);
536 pr_err("failed to get CLK_POUT: %d\n", err);
537 return err;
538 }
539 clk_prepare_enable(pout_clk);
540
541 err = cm_x300_ulpi_phy_reset();
542 if (err) {
543 clk_disable(pout_clk);
544 clk_put(pout_clk);
545 }
546 }
547
548 return err;
549 }
550
cm_x300_u2d_exit(struct device * dev)551 static void cm_x300_u2d_exit(struct device *dev)
552 {
553 if (cpu_is_pxa310()) {
554 clk_disable_unprepare(pout_clk);
555 clk_put(pout_clk);
556 }
557 }
558
559 static struct pxa3xx_u2d_platform_data cm_x300_u2d_platform_data = {
560 .ulpi_mode = ULPI_SER_6PIN,
561 .init = cm_x300_u2d_init,
562 .exit = cm_x300_u2d_exit,
563 };
564
cm_x300_init_u2d(void)565 static void __init cm_x300_init_u2d(void)
566 {
567 pxa3xx_set_u2d_info(&cm_x300_u2d_platform_data);
568 }
569 #else
cm_x300_init_u2d(void)570 static inline void cm_x300_init_u2d(void) {}
571 #endif
572
573 #if defined(CONFIG_USB_OHCI_HCD) || defined(CONFIG_USB_OHCI_HCD_MODULE)
cm_x300_ohci_init(struct device * dev)574 static int cm_x300_ohci_init(struct device *dev)
575 {
576 if (cpu_is_pxa300())
577 UP2OCR = UP2OCR_HXS
578 | UP2OCR_HXOE | UP2OCR_DMPDE | UP2OCR_DPPDE;
579
580 return 0;
581 }
582
583 static struct pxaohci_platform_data cm_x300_ohci_platform_data = {
584 .port_mode = PMM_PERPORT_MODE,
585 .flags = ENABLE_PORT_ALL | POWER_CONTROL_LOW,
586 .init = cm_x300_ohci_init,
587 };
588
cm_x300_init_ohci(void)589 static void __init cm_x300_init_ohci(void)
590 {
591 pxa_set_ohci_info(&cm_x300_ohci_platform_data);
592 }
593 #else
cm_x300_init_ohci(void)594 static inline void cm_x300_init_ohci(void) {}
595 #endif
596
597 #if defined(CONFIG_LEDS_GPIO) || defined(CONFIG_LEDS_GPIO_MODULE)
598 static struct gpio_led cm_x300_leds[] = {
599 [0] = {
600 .name = "cm-x300:green",
601 .default_trigger = "heartbeat",
602 .active_low = 1,
603 },
604 };
605
606 static struct gpio_led_platform_data cm_x300_gpio_led_pdata = {
607 .num_leds = ARRAY_SIZE(cm_x300_leds),
608 .leds = cm_x300_leds,
609 };
610
611 static struct platform_device cm_x300_led_device = {
612 .name = "leds-gpio",
613 .id = -1,
614 .dev = {
615 .platform_data = &cm_x300_gpio_led_pdata,
616 },
617 };
618
cm_x300_init_leds(void)619 static void __init cm_x300_init_leds(void)
620 {
621 if (system_rev < 130)
622 cm_x300_leds[0].gpio = 79;
623 else
624 cm_x300_leds[0].gpio = 76;
625
626 platform_device_register(&cm_x300_led_device);
627 }
628 #else
cm_x300_init_leds(void)629 static inline void cm_x300_init_leds(void) {}
630 #endif
631
632 #if defined(CONFIG_I2C) || defined(CONFIG_I2C_MODULE)
633 /* PCA9555 */
634 static struct pca953x_platform_data cm_x300_gpio_ext_pdata_0 = {
635 .gpio_base = 128,
636 };
637
638 static struct pca953x_platform_data cm_x300_gpio_ext_pdata_1 = {
639 .gpio_base = 144,
640 };
641
642 static struct i2c_board_info cm_x300_gpio_ext_info[] = {
643 [0] = {
644 I2C_BOARD_INFO("pca9555", 0x24),
645 .platform_data = &cm_x300_gpio_ext_pdata_0,
646 },
647 [1] = {
648 I2C_BOARD_INFO("pca9555", 0x25),
649 .platform_data = &cm_x300_gpio_ext_pdata_1,
650 },
651 };
652
cm_x300_init_i2c(void)653 static void __init cm_x300_init_i2c(void)
654 {
655 pxa_set_i2c_info(NULL);
656 i2c_register_board_info(0, cm_x300_gpio_ext_info,
657 ARRAY_SIZE(cm_x300_gpio_ext_info));
658 }
659 #else
cm_x300_init_i2c(void)660 static inline void cm_x300_init_i2c(void) {}
661 #endif
662
663 #if defined(CONFIG_RTC_DRV_V3020) || defined(CONFIG_RTC_DRV_V3020_MODULE)
664 struct v3020_platform_data cm_x300_v3020_pdata = {
665 .use_gpio = 1,
666 .gpio_cs = GPIO95_RTC_CS,
667 .gpio_wr = GPIO96_RTC_WR,
668 .gpio_rd = GPIO97_RTC_RD,
669 .gpio_io = GPIO98_RTC_IO,
670 };
671
672 static struct platform_device cm_x300_rtc_device = {
673 .name = "v3020",
674 .id = -1,
675 .dev = {
676 .platform_data = &cm_x300_v3020_pdata,
677 }
678 };
679
cm_x300_init_rtc(void)680 static void __init cm_x300_init_rtc(void)
681 {
682 platform_device_register(&cm_x300_rtc_device);
683 }
684 #else
cm_x300_init_rtc(void)685 static inline void cm_x300_init_rtc(void) {}
686 #endif
687
688 /* Battery */
689 struct power_supply_info cm_x300_psy_info = {
690 .name = "battery",
691 .technology = POWER_SUPPLY_TECHNOLOGY_LIPO,
692 .voltage_max_design = 4200000,
693 .voltage_min_design = 3000000,
694 .use_for_apm = 1,
695 };
696
cm_x300_battery_low(void)697 static void cm_x300_battery_low(void)
698 {
699 #if defined(CONFIG_APM_EMULATION)
700 apm_queue_event(APM_LOW_BATTERY);
701 #endif
702 }
703
cm_x300_battery_critical(void)704 static void cm_x300_battery_critical(void)
705 {
706 #if defined(CONFIG_APM_EMULATION)
707 apm_queue_event(APM_CRITICAL_SUSPEND);
708 #endif
709 }
710
711 struct da9030_battery_info cm_x300_battery_info = {
712 .battery_info = &cm_x300_psy_info,
713
714 .charge_milliamp = 1000,
715 .charge_millivolt = 4200,
716
717 .vbat_low = 3600,
718 .vbat_crit = 3400,
719 .vbat_charge_start = 4100,
720 .vbat_charge_stop = 4200,
721 .vbat_charge_restart = 4000,
722
723 .vcharge_min = 3200,
724 .vcharge_max = 5500,
725
726 .tbat_low = 197,
727 .tbat_high = 78,
728 .tbat_restart = 100,
729
730 .batmon_interval = 0,
731
732 .battery_low = cm_x300_battery_low,
733 .battery_critical = cm_x300_battery_critical,
734 };
735
736 static struct regulator_consumer_supply buck2_consumers[] = {
737 REGULATOR_SUPPLY("vcc_core", NULL),
738 };
739
740 static struct regulator_init_data buck2_data = {
741 .constraints = {
742 .min_uV = 1375000,
743 .max_uV = 1375000,
744 .state_mem = {
745 .enabled = 0,
746 },
747 .valid_ops_mask = REGULATOR_CHANGE_VOLTAGE,
748 .apply_uV = 1,
749 },
750 .num_consumer_supplies = ARRAY_SIZE(buck2_consumers),
751 .consumer_supplies = buck2_consumers,
752 };
753
754 /* DA9030 */
755 struct da903x_subdev_info cm_x300_da9030_subdevs[] = {
756 {
757 .name = "da903x-battery",
758 .id = DA9030_ID_BAT,
759 .platform_data = &cm_x300_battery_info,
760 },
761 {
762 .name = "da903x-regulator",
763 .id = DA9030_ID_BUCK2,
764 .platform_data = &buck2_data,
765 },
766 };
767
768 static struct da903x_platform_data cm_x300_da9030_info = {
769 .num_subdevs = ARRAY_SIZE(cm_x300_da9030_subdevs),
770 .subdevs = cm_x300_da9030_subdevs,
771 };
772
773 static struct i2c_board_info cm_x300_pmic_info = {
774 I2C_BOARD_INFO("da9030", 0x49),
775 .irq = IRQ_WAKEUP0,
776 .platform_data = &cm_x300_da9030_info,
777 };
778
779 static struct i2c_pxa_platform_data cm_x300_pwr_i2c_info = {
780 .use_pio = 1,
781 };
782
cm_x300_init_da9030(void)783 static void __init cm_x300_init_da9030(void)
784 {
785 pxa3xx_set_i2c_power_info(&cm_x300_pwr_i2c_info);
786 i2c_register_board_info(1, &cm_x300_pmic_info, 1);
787 irq_set_irq_wake(IRQ_WAKEUP0, 1);
788 }
789
790 /* wi2wi gpio setting for system_rev >= 130 */
791 static struct gpio cm_x300_wi2wi_gpios[] __initdata = {
792 { 71, GPIOF_OUT_INIT_HIGH, "wlan en" },
793 { 70, GPIOF_OUT_INIT_HIGH, "bt reset" },
794 };
795
cm_x300_init_wi2wi(void)796 static void __init cm_x300_init_wi2wi(void)
797 {
798 int err;
799
800 if (system_rev < 130) {
801 cm_x300_wi2wi_gpios[0].gpio = 77; /* wlan en */
802 cm_x300_wi2wi_gpios[1].gpio = 78; /* bt reset */
803 }
804
805 /* Libertas and CSR reset */
806 err = gpio_request_array(ARRAY_AND_SIZE(cm_x300_wi2wi_gpios));
807 if (err) {
808 pr_err("failed to request wifi/bt gpios: %d\n", err);
809 return;
810 }
811
812 udelay(10);
813 gpio_set_value(cm_x300_wi2wi_gpios[1].gpio, 0);
814 udelay(10);
815 gpio_set_value(cm_x300_wi2wi_gpios[1].gpio, 1);
816
817 gpio_free_array(ARRAY_AND_SIZE(cm_x300_wi2wi_gpios));
818 }
819
820 /* MFP */
cm_x300_init_mfp(void)821 static void __init cm_x300_init_mfp(void)
822 {
823 /* board-processor specific GPIO initialization */
824 pxa3xx_mfp_config(ARRAY_AND_SIZE(cm_x3xx_mfp_cfg));
825
826 if (system_rev < 130)
827 pxa3xx_mfp_config(ARRAY_AND_SIZE(cm_x3xx_rev_lt130_mfp_cfg));
828 else
829 pxa3xx_mfp_config(ARRAY_AND_SIZE(cm_x3xx_rev_ge130_mfp_cfg));
830
831 if (cpu_is_pxa310())
832 pxa3xx_mfp_config(ARRAY_AND_SIZE(cm_x310_mfp_cfg));
833 }
834
cm_x300_init(void)835 static void __init cm_x300_init(void)
836 {
837 cm_x300_init_mfp();
838
839 pxa_set_btuart_info(NULL);
840 pxa_set_stuart_info(NULL);
841 if (cpu_is_pxa300())
842 pxa_set_ffuart_info(NULL);
843
844 cm_x300_init_da9030();
845 cm_x300_init_dm9000();
846 cm_x300_init_lcd();
847 cm_x300_init_u2d();
848 cm_x300_init_ohci();
849 cm_x300_init_mmc();
850 cm_x300_init_nand();
851 cm_x300_init_leds();
852 cm_x300_init_i2c();
853 cm_x300_init_spi();
854 cm_x300_init_rtc();
855 cm_x300_init_ac97();
856 cm_x300_init_wi2wi();
857 cm_x300_init_bl();
858
859 regulator_has_full_constraints();
860 }
861
cm_x300_fixup(struct tag * tags,char ** cmdline)862 static void __init cm_x300_fixup(struct tag *tags, char **cmdline)
863 {
864 /* Make sure that mi->bank[0].start = PHYS_ADDR */
865 for (; tags->hdr.size; tags = tag_next(tags))
866 if (tags->hdr.tag == ATAG_MEM &&
867 tags->u.mem.start == 0x80000000) {
868 tags->u.mem.start = 0xa0000000;
869 break;
870 }
871 }
872
873 MACHINE_START(CM_X300, "CM-X300 module")
874 .atag_offset = 0x100,
875 .map_io = pxa3xx_map_io,
876 .nr_irqs = PXA_NR_IRQS,
877 .init_irq = pxa3xx_init_irq,
878 .handle_irq = pxa3xx_handle_irq,
879 .init_time = pxa_timer_init,
880 .init_machine = cm_x300_init,
881 .fixup = cm_x300_fixup,
882 .restart = pxa_restart,
883 MACHINE_END
884